staging: iio: accel: adis16209: Improve readability

Lines with #define interlaced with comment lines making a mess.

Separate groups of #define-comment with blank lines.
Separate section title comments with blank lines.

Signed-off-by: Svetlana Orlik <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/iio/accel/adis16209.h

···
 
 /* Flash memory write count */
 #define ADIS16209_FLASH_CNT      0x00
+
 /* Output, power supply */
 #define ADIS16209_SUPPLY_OUT     0x02
+
 /* Output, x-axis accelerometer */
 #define ADIS16209_XACCL_OUT      0x04
+
 /* Output, y-axis accelerometer */
 #define ADIS16209_YACCL_OUT      0x06
+
 /* Output, auxiliary ADC input */
 #define ADIS16209_AUX_ADC        0x08
+
 /* Output, temperature */
 #define ADIS16209_TEMP_OUT       0x0A
+
 /* Output, x-axis inclination */
 #define ADIS16209_XINCL_OUT      0x0C
+
 /* Output, y-axis inclination */
 #define ADIS16209_YINCL_OUT      0x0E
+
 /* Output, +/-180 vertical rotational position */
 #define ADIS16209_ROT_OUT        0x10
+
 /* Calibration, x-axis acceleration offset null */
 #define ADIS16209_XACCL_NULL     0x12
+
 /* Calibration, y-axis acceleration offset null */
 #define ADIS16209_YACCL_NULL     0x14
+
 /* Calibration, x-axis inclination offset null */
 #define ADIS16209_XINCL_NULL     0x16
+
 /* Calibration, y-axis inclination offset null */
 #define ADIS16209_YINCL_NULL     0x18
+
 /* Calibration, vertical rotation offset null */
 #define ADIS16209_ROT_NULL       0x1A
+
 /* Alarm 1 amplitude threshold */
 #define ADIS16209_ALM_MAG1       0x20
+
 /* Alarm 2 amplitude threshold */
 #define ADIS16209_ALM_MAG2       0x22
+
 /* Alarm 1, sample period */
 #define ADIS16209_ALM_SMPL1      0x24
+
 /* Alarm 2, sample period */
 #define ADIS16209_ALM_SMPL2      0x26
+
 /* Alarm control */
 #define ADIS16209_ALM_CTRL       0x28
+
 /* Auxiliary DAC data */
 #define ADIS16209_AUX_DAC        0x30
+
 /* General-purpose digital input/output control */
 #define ADIS16209_GPIO_CTRL      0x32
+
 /* Miscellaneous control */
 #define ADIS16209_MSC_CTRL       0x34
+
 /* Internal sample period (rate) control */
 #define ADIS16209_SMPL_PRD       0x36
+
 /* Operation, filter configuration */
 #define ADIS16209_AVG_CNT        0x38
+
 /* Operation, sleep mode control */
 #define ADIS16209_SLP_CNT        0x3A
+
 /* Diagnostics, system status register */
 #define ADIS16209_DIAG_STAT      0x3C
+
 /* Operation, system command register */
 #define ADIS16209_GLOB_CMD       0x3E
 
 /* MSC_CTRL */
+
 /* Self-test at power-on: 1 = disabled, 0 = enabled */
 #define ADIS16209_MSC_CTRL_PWRUP_SELF_TEST	BIT(10)
+
 /* Self-test enable */
 #define ADIS16209_MSC_CTRL_SELF_TEST_EN	        BIT(8)
+
 /* Data-ready enable: 1 = enabled, 0 = disabled */
 #define ADIS16209_MSC_CTRL_DATA_RDY_EN	        BIT(2)
+
 /* Data-ready polarity: 1 = active high, 0 = active low */
 #define ADIS16209_MSC_CTRL_ACTIVE_HIGH	        BIT(1)
+
 /* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
 #define ADIS16209_MSC_CTRL_DATA_RDY_DIO2	BIT(0)
 
 /* DIAG_STAT */
+
 /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
 #define ADIS16209_DIAG_STAT_ALARM2        BIT(9)
+
 /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
 #define ADIS16209_DIAG_STAT_ALARM1        BIT(8)
+
 /* Self-test diagnostic error flag: 1 = error condition, 0 = normal operation */
 #define ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT	5
+
 /* SPI communications failure */
 #define ADIS16209_DIAG_STAT_SPI_FAIL_BIT	3
+
 /* Flash update failure */
 #define ADIS16209_DIAG_STAT_FLASH_UPT_BIT	2
+
 /* Power supply above 3.625 V */
 #define ADIS16209_DIAG_STAT_POWER_HIGH_BIT	1
+
 /* Power supply below 3.15 V */
 #define ADIS16209_DIAG_STAT_POWER_LOW_BIT	0
 
 /* GLOB_CMD */
+
 #define ADIS16209_GLOB_CMD_SW_RESET	BIT(7)
 #define ADIS16209_GLOB_CMD_CLEAR_STAT	BIT(4)
 #define ADIS16209_GLOB_CMD_FACTORY_CAL	BIT(1)